Which statement describes a difference between the lower mantle and oceanic crust? O The lower mantle is closer to Earth's surface than oceanic crust is. O The lower mantle is found closer to sea level than oceanic crust is. O The lower mantle experiences more pressure than oceaníc crust does. The lower mantle has a more tarry consistency than oceanic crust does.

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.